Home / 38,439.71-57,657.27-14,758.58

Finding the Fourth Proportional to 38,439.71, 57,657.27 and 14,758.58

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Solution

The fourth proportional to 38,439.71, 57,657.27 and 14,758.58 is: 22,136.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,439.71 : 57,657.27 = 14,758.58 : x
  2. Step 2: Convert to fraction form
    38,439.71/57,657.27 = 14,758.58/x
  3. Step 3: Cross multiply
    38,439.71x = 57,657.27 × 14,758.58
  4. Step 4: Simplify right side
    38,439.71x = 850,939,431.88
  5. Step 5: Solve for x
    x = 850,939,431.88/38,439.71
  6. Step 6: Final answer
    x = 22,136.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.